libexplain: libexplain/ac/sys/ioctl.h Source File

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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2008-2011, 2013 Peter Miller
00004  * Written by Peter Miller <pmiller@opensource.org.au>
00005  *
00006  * This program is free software; you can redistribute it and/or modify it
00007  * under the terms of the GNU Lesser General Public License as published by
00008  * the Free Software Foundation; either version 3 of the License, or (at your
00009  * option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful, but WITHOUT
00012  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00013  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00014  * License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public License
00017  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00018  */
00019 
00020 #ifndef LIBEXPLAIN_AC_SYS_IOCTL_H
00021 #define LIBEXPLAIN_AC_SYS_IOCTL_H
00022 
00028 #include <libexplain/config.h>
00029 
00030 #ifdef HAVE_SYS_IOCTL_H
00031 #include <sys/ioctl.h>
00032 #endif
00033 
00034 #include <libexplain/ac/sys/ioccom.h>
00035 
00036 /*
00037  * In the _IO _IOW _IOWR _IOR world
00038  * some have numeric equivalents
00039  */
00040 #if defined(_IO) && defined(IOC_OUT) && defined(IOC_IN)
00041 #ifndef _IOWN
00042 #define _IOWN(x, y, t) (IOC_IN | ((t) << 16) | ((x) << 8) | y)
00043 #endif
00044 #ifndef _IOWRN
00045 #define _IOWRN(x, y, t) (IOC_INOUT | ((t) << 16) | ((x) << 8) | y)
00046 #endif
00047 #ifndef _IORN
00048 #define _IORN(x, y, t) (IOC_OUT | ((t) << 16) | ((x) << 8) | y)
00049 #endif
00050 #endif
00051 
00052 #endif /* LIBEXPLAIN_AC_SYS_IOCTL_H */
00053 /* vim: set ts=8 sw=4 et : */